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    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>小u课堂</title>
    <link rel="stylesheet" href="http://at.alicdn.com/t/font_2384888_ojge9md3tr.css">
    <link rel="shortcut icon" href="./favicon.ico" type="image/x-icon">
    <link rel="stylesheet" href="./css/index.css">
</head>

<body>
    <!-- 导航菜单 -->
    <nav>
        <div class="main">
            <img src="./img/index/logo.png" alt="" class="logo">
            <ul class="">
                <li class="check"><a href="javascript:;">首页</a></li>
                <li><a href="./pages/online.html">同步课程</a></li>
                <li><a href="javascript:;">精品课程</a></li>
            </ul>
            <div class="search">
                <div class="left">课程<i class="iconfont icon-down"></i>
                </div>
                <input type="text" placeholder="搜索感兴趣的内容">
                <a href="./pages/search_list.html"><img src="./img/index/search.png" alt=""></a>
            </div>
            <div class="login">
                <a href="./pages/loginAndRegister/login.html">登陆</a>
                /
                <a href="./pages/loginAndRegister/register.html">注册</a>
            </div>
            <div class="user">
                <img src="./img/login/user.png" alt="">
                <div class="userlist">
                    <ul>
                        <li>我是用户名</li>
                        <li>课程中心</li>
                        <li>订单中心</li>
                        <li>资金管理</li>
                        <li>个人中心</li>
                        <li class="out">退出登陆</li>
                    </ul>
                </div>
            </div>
        </div>
    </nav>

    <!-- 主体内容 -->
    <main>
        <!-- banner -->
        <div class="banner">
            <ul class="img" id="img">
                <!-- <li class="active"><img src="./img/index/tbanner1.png" alt=""></li>
                <li><img src="./img/index/tbanner1.png" alt=""></li>
                <li><img src="./img/index/tbanner3.png" alt=""></li> -->
            </ul>
            <ul class="list" id="list">
                <!-- <li class="high">24小时不断电大课堂</li>
                <li>内容不够2</li>
                <li>内容不够3</li> -->
            </ul>
        </div>

        <!-- 同步课程 -->
        <div class="online">
            <div class="title">
                <span class="line"></span>
                <span class="cont">同步课程</span>
                <a href="pages/online.html?type=1"><span class="more">更多课程<i class="iconfont icon-right1"></i>
                </span></a>
            </div>
            <div class="onlineCont">
                <div class="content">
                    <ul id="tongbu">
                        <!-- <li>
                            <div class="top">
                                <span class="rj">人教版</span>
                                <img src="./img/index/banner1.png" alt="" class="m">
                                <p>学科：英语</p>
                            </div>
                            <div class="bottom">
                                <div class="left">
                                    <span>行政管理专业班</span>
                                    <span class="time">地区：北京</span>
                                </div>
                                <div class="right">免费学习</div>
                            </div>
                        </li> -->
                        
                    </ul>
                </div>
            </div>
        </div>

        <!-- 页面广告 -->
        <div class="contBanner">
            <img src="./img/index/WechatIMG20.png" alt="">
        </div>


        <!-- 精品课程 -->
        <div class="goodClass">
            <div class="title">
                <span class="line"></span>
                <span class="cont">精品课程</span>
                <a href="pages/online.html?type=2"><span class="more">更多课程<i class="iconfont icon-right1"></i>
                </span></a>
            </div>
            <div class="onlineCont">
                <div class="content">
                    <ul id="jingpin">
                        <!-- <li>
                            <div class="top">
                                <span class="rj">人教版</span>
                                <img src="./img/index/banner1.png" alt="" class="m">
                                <p>学科：英语</p>
                            </div>
                            <div class="bottom">
                                <div class="left">
                                    <span>行政管理专业班</span>
                                    <span class="time">地区：天津</span>
                                </div>
                                <div class="right">50元</div>
                            </div>
                        </li> -->
                    </ul>
                </div>
                <div class="rightCont">
                    <img src="./img/index/good_banner7.png" alt="">
                </div>
            </div>
        </div>

        <div class="footB">
            <div><img src="./img/index/foot1.png" alt=""></div>
            <div><img src="./img/index/foot2.png" alt=""></div>
        </div>

        <div class="fix">
            <div class="lesson">
                <a href="/pages/course.html"><img src="./img/index/mylesson.png" alt=""></a>
            </div>
            <div class="top">
                <img src="./img/index/gotop.png" alt="">
            </div>
        </div>
    </main>

    <footer>
        <div class="cont">
            <div class="main">
                <p>
                    首页 | 关于我们 | 加入我们 | 合作专区 | 联系我们 | AI开放平台 | 意见反馈 | 漏洞提交 | 隐私政策 | 版权声明 | 反盗链声明 | 网上有害信息举报 | 备案公示 | 营业执照
                    | 教师资格证公示

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                <p>
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                    01010102002533号
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            </div>
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    </footer>
    <script src="js/jquery.js"></script>
    <script src="js/common.js"></script>
    <script src="js/ujiuye.js"></script>
    <script src="js/index.js"></script>
</body>
<script>
    // $.ajax({
    //     type:'put',
    //     url:'/courseinfo',
    //     data:null,
    //     dataType:'json',
    //     success:function(response){
            
    //     }
    // })

    window.onload = async function () {
        //调用轮播图接口
        let result = await sendAjax({url:'/apiv1/banner'});

        if(result.code == 200){
            let strImg = '',strTitle = '';
            for(let item of result.data){
                strImg += `<li><img src="${'/uploads/'+item.image_src}" alt=""></li>`;
                strTitle +=`<li>${item.title}</li>`;
            }
            $('#img').html(strImg);
            $('#list').html(strTitle);
            lunBoTu();
        }

        // lunBoTu() //当请求ajax 拿到结果并追加到页面上以后 要调用此方法
        
        //同步课程列表渲染
        let tongbuResult = await sendAjax({url:'/apiv1/courseinfo/1'});
        //精品课程列表渲染
        let jingpinResult = await sendAjax({url:'/apiv1/courseinfo/2'});
        if(tongbuResult.code == 200){
            let str = '';
            for(let item of tongbuResult.data){
                str +=`<li>
                        <a href="pages/videoDetail.html?cid=${item.cid}">
                            <div class="top">
                                <span class="rj">${item.type_name}</span>
                                <img src="${host + '/'+ item.image_src}" alt="" class="m">
                                <p>学科：${item.subject_name}  </p>
                            </div>
                            <div class="bottom">
                                <div class="left">
                                    <span>${item.title}</span>
                                    <span class="time">地区：${item.area_name}</span>
                                </div>
                                <div class="right">免费学习</div>
                            </div>
                        </a>
                        </li>`
            }
            $('#tongbu').html(str);
        }
        if(jingpinResult.code == 200){
            let str = '';
            for(let item of jingpinResult.data){
                str +=`<li>
                        <a href="pages/videoDetail.html?cid=${item.cid}">
                            <div class="top">
                                <span class="rj">${item.type_name}</span>
                                <img src="${host + '/'+ item.image_src}" alt="" class="m">
                                <p>学科：${item.subject_name}  </p>
                            </div>
                            <div class="bottom">
                                <div class="left">
                                    <span>${item.title}</span>
                                    <span class="time">地区：${item.area_name}</span>
                                </div>
                                <div class="right">免费学习</div>
                            </div>
                        </a>
                        </li>`
            }
            $('#jingpin').html(str);
        }


        var fix = document.getElementsByClassName('fix')[0];
        // console.log(ban.offsetLeft);
        var cw = document.documentElement.clientWidth;
        if (cw > 1270) {
            fix.style.left = ban.offsetLeft + 1200 + 'px';
        } else {
            fix.style.left = auto;
            fix.style.right = 0;
        }
        // 返回顶部
        var top1 = fix.querySelector('.top');
        // console.log(top1);
        top1.onclick = function () {
            document.body.timer = setInterval(function () {
                document.documentElement.scrollTop -= 50;
                if (document.documentElement.scrollTop <= 0) {
                    clearInterval(document.body.timer);
                }
            }, 1);
        } 
    }
</script>
</html>